Curbside mailbox



FIG. 1 is a left side elevational view of an ornamental design for a curbside mailbox showing our new design;

FIG. 2 is a left side elevational view thereof with the flag in a raised position;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a front perspective view thereof;

FIG. 9 is a front elevational view thereof with the door in an open position;

FIG. 10 is a right side elevational view thereof with the door open; and,

FIG. 11 is a partial sectional view taken along line 11—11 of FIG. 6 to disclose the interior portion of a door handle. 

The ornamental design for a curbside mailbox, as shown and described. 